Pretreatment of Real Wastewater from the Chocolate Manufacturing Industry through an Integrated Process of Electrocoagulation and Sand Filtration

<div>Contaminant removal efficiency in wastewater treated after the electrocoagulation process at a current density of 0.2915 mA/cm<sup>2</sup>: turbidity (■), color (□), and COD (●).</div>

International Journal of Photoenergy

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Figure 2: Pretreatment of Real Wastewater from the Chocolate Manufacturing Industry through an Integrated Process of Electrocoagulation and Sand Filtration 

Figure 2 | Pretreatment of Real Wastewater from the Chocolate Manufacturing Industry through an Integrated Process of Electrocoagulation and Sand Filtration 